标题: 综合OG12数学部分 PS 98 [打印本页] 作者: sunteen 时间: 2011-3-3 16:24 标题: 综合OG12数学部分 PS 98 On a scale that measures the intensity of a certain phenomenon, a reading of n+1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a reading of 3? a) 5 b) 50 c)10的5次方 d)5的10次方 e)8的10次方减去3的10次方